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1Nd:YAG激光虹膜周边切除术治疗原发性闭角型青光眼疗效评价显示文摘探讨激光虹膜周边切除术(Laser Peripheral Iridectomy,LPI)治疗原发性闭角型青光眼的临床疗效。应用标准视力表、非接触眼压计、超声生物显微镜Ultrasound Biomicroscopy,UBM)、前房角镜对63例97眼原发性闭角型青光眼(primary angle closure glaucoma,PACG)患者LPI前后观察。LPI术前术后最佳矫正视力不变或有所提高,但提高不明显。在原发性急性闭角型青光眼(acute primary angle closure glaucoma,Acute PACG)患者中,LPI术前术后眼压下降、中央及周边前房深度加深有统计学意义,前房房角较术前增宽;原发性慢性闭角型青光眼(chronic primary angle closure glaucoma,Chronic PACG)患者中,LPI术前术后眼压下降、中央及周边前房深度加深无统计学意义,前房房角增宽不明显。Nd:YAG激光虹膜周边切除术是治疗早期闭角型青光眼的有效手段,其术后疗效评价利于指导下一步治疗方案。但在慢性闭角型青光眼患者中,其术后疗效还有待探讨。李兰娇 王茜 2015激光杂志2015,36,5:11
2Evaluation of the efficacy of laser peripheral iridoplasty in reversing the darkroom provocative test result in Chinese patients with primary angle closure status post laser iridotomy显示文摘AIM: To investigate the efficacy and safety of krypton laser peripheral iridoplasty(LPIP) for Chinese patients with primary angle closure(PAC) or primary angle-closure glaucoma(PACG) status post laser iridotomy in reversing the positive results of the dark room provocative test(DRPT).METHODS: This study was prospective, noncomparative,interventional case series. Thirty-three patients(thirty-eight eyes) with PAC or PACG status post patent laser iridotomy and maintained normal intraocular pressure(IOP) but with positive DRPT results were enrolled. All the subjects were treated with krypton LPIP. DRPT was repeated after krypton LPIP. Results of DRPT were recorded. The visual acuity, IOP and gonioscopy were analyzed before and after krypton LPIP. A minimum time limit for follow-up was 6mo.RESULTS: Thirty-three patients(thirty-eight eyes)were followed for 17.7 ±8.37mo(range 7-41mo) after LPIP. Positive results of DRPT decreased from 38 eyes to9 eyes(23.7%) after LPIP. Peripheral anterior synechiae of angle in 34 of 38 eyes(89.5%) remained unchanged at dynamic gonioscopy throughout the follow-up period after LPIP.CONCLUSION: LPIP decreased positive rates of the DRPT significantly. The mechanism may be that LPIP minimized contact between the peripheral iris and trabecular meshwork, which is a key factor for developing peripheral anterior synechiae.Ping Huang Ling-Ling Wu 2015International Journal of Ophthalmology(English edition)2015,8,3:4
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